Open-VERSO: a vision of 5G experimentation infrastructures, hurdles and challenges. - Ángel Martín; Pablo Losada; Carolina Fernández 001; Mikel Zorrilla; Zaloa Fernández; Álvaro Gabilondo; Juncal Uriol; Felipe Mogollon; Mikel Serón; Michalis Dalgitsis; Roberto Viola; Luis Pérez Roca; et al. (CoRR, 2023)